/*
 * Copyright 2019 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrBaseContextPriv_DEFINED
#define GrBaseContextPriv_DEFINED

#include "include/gpu/GrContextOptions.h"
#include "include/private/gpu/ganesh/GrContext_Base.h"

/* * Class that exposes methods on GrContext_Base that are only intended for use internal to Skia.
    This class is purely a privileged window into GrContext_Base. It should never have
    additional data members or virtual methods. */
class GrBaseContextPriv {
public:
    GrContext_Base *context()
    {
        return fContext;
    }
    const GrContext_Base *context() const
    {
        return fContext;
    }

    uint32_t contextID() const
    {
        return this->context()->contextID();
    }

    bool matches(GrContext_Base *candidate) const
    {
        return this->context()->matches(candidate);
    }

    const GrContextOptions &options() const
    {
        return this->context()->options();
    }

    const GrCaps *caps() const
    {
        return this->context()->caps();
    }
    sk_sp<const GrCaps> refCaps() const;

    GrImageContext *asImageContext()
    {
        return this->context()->asImageContext();
    }
    GrRecordingContext *asRecordingContext()
    {
        return this->context()->asRecordingContext();
    }
    GrDirectContext *asDirectContext()
    {
        return this->context()->asDirectContext();
    }

    GrContextOptions::ShaderErrorHandler *getShaderErrorHandler() const;

protected:
    explicit GrBaseContextPriv(GrContext_Base *context) : fContext(context) {}

    GrContext_Base *fContext;

private:
    GrBaseContextPriv &operator = (const GrBaseContextPriv &) = delete;

    // No taking addresses of this type.
    const GrBaseContextPriv *operator&() const;
    GrBaseContextPriv *operator&();

    friend class GrContext_Base; // to construct/copy this type.
};

inline GrBaseContextPriv GrContext_Base::priv()
{
    return GrBaseContextPriv(this);
}

inline const GrBaseContextPriv GrContext_Base::priv() const
{ // NOLINT(readability-const-return-type)
    return GrBaseContextPriv(const_cast<GrContext_Base *>(this));
}

#endif
